Small plastic rivets whichmay be used as a quick & cheap alternative to screws & nuts for holding together panels PCBs onto brackets & chassis etc providing the fixture is reasonably permanent. The rivet comes in two parts the head & sleeve. The sleeve pushes through holes in the items to be attached & the pin is pushed into the sleeve. The insertion of the pin makes the sides of the sleeve splay out providing a secure grip. Requires 3mm minimum hole diameter. Supplied in packs of ten.